If so, then the current entry must be a folder, and you push its name and recursion level onto an auxiliary stack as well as adding it to the tree.
如果具有子代,那么当前条目必须是一个文件夹,您要将其名称和递归级别推到辅助堆栈上并将它们添加到树中。
Thirdly, the increase of consistency among cells can improve the performance of the stack, and reduce the power and size of the auxiliary systems of the engine.
单电池一致性的提高,可以提高电堆性能,减小辅助系统功率和体积。
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